#VU72551 Improper Authorization in OpenJ9 - CVE-2019-17631


Vulnerability identifier: #VU72551

Vulnerability risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-17631

CWE-ID: CWE-285

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
OpenJ9
Server applications / Virtualization software

Vendor: Eclipse

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to access to diagnostic operations such as causing a GC or creating a diagnostic file are permitted without any privilege checks. A local user can exploit the vulnerability and  escalate privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenJ9: 0.15.0-m1 - 0.16.0


External links
https://access.redhat.com/errata/RHSA-2019:4113
https://access.redhat.com/errata/RHSA-2019:4115
https://access.redhat.com/errata/RHSA-2020:0006
https://access.redhat.com/errata/RHSA-2020:0046
https://bugs.eclipse.org/bugs/show_bug.cgi?id=552129


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability